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Modified 5-point fractional formula with Richardson extrapolation

  • Al-Zaytoonah University of Jordan
  • The University of Texas at Arlington
  • University of Jordan

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

In this paper, we establish a novel fractional numerical modification of the 5-point classical central formula; called the modified 5-point fractional formula for approximating the first fractional-order derivative in the sense of the Caputo operator. Accordingly, we then introduce a new methodology for Richardson extrapolation depending on the fractional central formula in order to obtain a high accuracy for the gained approximations. We compare the efficiency of the proposed methods by using tables and figures to show their reliability.

Original languageEnglish
Pages (from-to)9520-9534
Number of pages15
JournalAIMS Mathematics
Volume8
Issue number4
DOIs
StatePublished - 2023

Keywords

  • Caputo derivative
  • Lagrange interpolating polynomial
  • Richardson extrapolation
  • Riemann-Liouville fractional derivative and integral

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